-spec options(Target) -> Options
                 when
                     Target :: Hostname | URL,
                     Hostname :: iodata(),
                     URL :: iodata(),
                     Options :: [option()].

Returns the list of ssl:connect options necessary to validate the server certificate against a list of trusted authorities, as well as to verify whether the server hostname matches one in the server certificate.

• Target can be either a hostname or an HTTP URL, as iodata()

-spec override_trusted_authorities(From) -> ok when From :: override_source().

Overrides the trusted authorities with a custom source.

-spec trusted_authorities() -> CAs when CAs :: [public_key:der_encoded(), ...].

Returns the list of trusted authorities.